Legal claims defining the scope of protection. Each claim is shown in both the original legal language and a plain English translation.
1. A method for receiving a synchronization signal (SS)/physical broadcast channel (PBCH) block by a user equipment (UE) in a wireless communication system, the method comprising: receiving, in a frequency band greater than 6 GHz, the SS/PBCH block via a half frame, based on a subcarrier spacing for the SS/PBCH block being 120 kHz: wherein a 2 slots included in the half frame have 2 groups of candidate SS/PBCH block regions, each of the candidate SS/PBCH block regions includes 4 orthogonal frequency division multiplexing (OFDM) symbols, and each of the 2 groups includes 2 consecutive candidate SS/PBCH block regions, wherein, in the 2 slots, 4 OFDM symbols are located between the 2 groups, 4 OFDM symbols are located before one of the 2 groups, and 4 OFDM symbols are located after other of the 2 groups, wherein the 2 slots are grouped to a unit region and the half frame includes 16 unit regions, wherein the 16 unit regions in the half frame are distributed in 4 sets of 4 consecutive unit regions in each set, wherein each set is separated by an interval that is equal to a duration of the unit region, and wherein the duration of the unit region is equal to 0.25 ms.
This technical summary describes a method for receiving a synchronization signal (SS)/physical broadcast channel (PBCH) block in a wireless communication system operating in a frequency band above 6 GHz. The method addresses the challenge of efficiently transmitting and receiving synchronization signals in high-frequency bands, where signal propagation and synchronization are more complex due to higher path loss and shorter symbol durations. The method involves receiving the SS/PBCH block within a half frame, where the subcarrier spacing for the SS/PBCH block is 120 kHz. The half frame contains two slots, each divided into two groups of candidate SS/PBCH block regions. Each candidate region consists of four orthogonal frequency division multiplexing (OFDM) symbols. Within each slot, the two groups of candidate regions are separated by four OFDM symbols, with an additional four OFDM symbols preceding the first group and four OFDM symbols following the second group. The two slots are grouped into a unit region, and the half frame includes 16 such unit regions. These unit regions are distributed in four sets, each containing four consecutive unit regions. Each set is separated by an interval equal to the duration of a unit region, which is 0.25 milliseconds. This structured distribution ensures efficient synchronization and broadcast channel reception in high-frequency bands.
2. The method of claim 1 , based on the subcarrier spacing for the SS/PBCH block being 240 kHz: wherein a 4 slots included in the half frame have 2 groups of candidate SS/PBCH block regions, each of the candidate SS/PBCH block regions includes 4 OFDM symbols, and each of 2 groups includes 4 consecutive candidate SS/PBCH block regions, and wherein, in the 4 slots, 8 OFDM symbols are located between the 2 groups, 8 OFDM symbols are located before one of the 2 groups and 8 OFDM symbols are located after other of the 2 groups.
This invention relates to wireless communication systems, specifically the transmission of Synchronization Signal/Physical Broadcast Channel (SS/PBCH) blocks in 5G New Radio (NR) networks. The problem addressed is the efficient allocation of SS/PBCH blocks within a half-frame to ensure reliable synchronization and broadcast channel transmission, particularly when using a subcarrier spacing of 240 kHz. The method involves structuring a half-frame into four slots, each containing two groups of candidate SS/PBCH block regions. Each candidate region consists of four Orthogonal Frequency-Division Multiplexing (OFDM) symbols. The two groups within each slot are separated by eight OFDM symbols, with an additional eight OFDM symbols preceding the first group and eight OFDM symbols following the second group. This arrangement ensures proper spacing and avoids interference between SS/PBCH blocks, improving synchronization and broadcast channel reception. The method optimizes the placement of SS/PBCH blocks to maintain signal integrity and minimize overhead, particularly in high-frequency bands where 240 kHz subcarrier spacing is used. The structured allocation of OFDM symbols ensures compatibility with 5G NR specifications while enhancing system performance.
3. The method of claim 2 , wherein the 4 slots are grouped to a unit region, the half frame includes 8 unit regions, and wherein the 8 unit regions in the half frame are distributed in 2 sets of 4 consecutive unit regions in each set, with each set separated by an interval that is equal to a duration of the unit region.
This invention relates to a method for organizing data slots in a communication system, specifically addressing the efficient distribution of unit regions within a half frame to improve synchronization and data transmission reliability. The method involves grouping four slots into a unit region, where each unit region represents a structured block of data. A half frame consists of eight such unit regions, which are then distributed into two sets. Each set contains four consecutive unit regions, and the two sets are separated by an interval equal to the duration of a single unit region. This arrangement ensures balanced distribution of data, reducing interference and improving signal integrity. The method is particularly useful in wireless communication systems where maintaining synchronization and minimizing latency are critical. By structuring the half frame in this manner, the system can achieve more reliable data transmission and better resource allocation, enhancing overall performance. The invention focuses on optimizing the physical layer structure to support efficient communication protocols.
4. The method of claim 1 , wherein the half frame has a duration of 5 ms.
A method for processing video frames in a communication system involves encoding and transmitting video data with improved efficiency. The system addresses the challenge of reducing latency and bandwidth usage in video transmission by dividing video frames into smaller segments, known as half frames, for independent processing. Each half frame is encoded separately, allowing for more flexible transmission and decoding. The method ensures that the half frames maintain synchronization with the original full frame structure while enabling faster processing and reduced buffering delays. Specifically, the half frame duration is set to 5 milliseconds, which optimizes the balance between processing speed and data integrity. This approach is particularly useful in real-time applications such as video conferencing, streaming, and surveillance, where low latency and efficient bandwidth utilization are critical. The method may also include error correction and synchronization mechanisms to ensure reliable transmission of the half frames. By segmenting frames into smaller units, the system improves adaptability to varying network conditions and reduces the impact of packet loss or delays. The overall result is a more efficient and responsive video transmission system that meets the demands of modern communication technologies.
5. An apparatus for receiving a synchronization signal (SS)/physical broadcast channel (PBCH) block in a wireless communication system, the apparatus comprising: at least one processor; and at least one computer memory operably connectable to the at least one processor and storing instructions that, when executed, cause the at least one processor to perform operations comprising: receiving, in a frequency band greater than 6 GHz, the SS/PBCH block via a half frame, based on a subcarrier spacing for the SS/PBCH block being 120 kHz: wherein a 2 slots included in the half frame have 2 groups of candidate SS/PBCH block regions, each of the candidate SS/PBCH block regions includes 4 orthogonal frequency division multiplexing (OFDM) symbols and each of the 2 groups includes 2 consecutive candidate SS/PBCH block regions, wherein, in the 2 slots, 4 OFDM symbols are located between the 2 groups, 4 OFDM symbols are located before one of the 2 groups, and 4 OFDM symbols are located after other of the 2 groups; wherein the 2 slots are grouped to a unit region and the half frame includes 16 unit regions, wherein the 16 unit regions in the half frame are distributed in 4 sets of 4 consecutive unit regions in each set, wherein each set is separated by an interval that is equal to a duration of the unit region, and wherein the duration of the unit region is equal to 0.25 ms.
This invention relates to wireless communication systems, specifically apparatuses for receiving synchronization signals (SS) and physical broadcast channels (PBCH) in frequency bands above 6 GHz. The problem addressed is efficient synchronization and broadcast channel reception in high-frequency bands, where signal propagation and interference characteristics differ significantly from lower-frequency bands. The apparatus includes at least one processor and computer memory storing instructions to receive an SS/PBCH block in a half frame. The SS/PBCH block is received with a subcarrier spacing of 120 kHz. The half frame contains two slots, each slot having two groups of candidate SS/PBCH block regions. Each candidate region consists of four orthogonal frequency division multiplexing (OFDM) symbols. Within each slot, the two groups are separated by four OFDM symbols, with four OFDM symbols preceding the first group and four OFDM symbols following the second group. The two slots form a unit region, and the half frame includes 16 such unit regions. These unit regions are distributed in four sets, each containing four consecutive unit regions. Each set is separated by an interval equal to the duration of a unit region, which is 0.25 milliseconds. This structured distribution ensures reliable synchronization and broadcast channel reception in high-frequency bands by optimizing the placement of SS/PBCH blocks within the frame structure.
6. The apparatus of claim 5 , based on the subcarrier spacing for the SS/PBCH block being 240 kHz: wherein a 4 slots included in the half frame have 2 groups of candidate SS/PBCH block regions, each of the candidate SS/PBCH block regions includes 4 OFDM symbols, and each of 2 groups includes 4 consecutive candidate SS/PBCH block regions, and wherein, in the 4 slots, 8 OFDM symbols are located between the 2 groups, 8 OFDM symbols are located before one of the 2 groups and 8 OFDM symbols are located after other of the 2 groups.
7. The apparatus of claim 6 , wherein the 4 slots are grouped to a unit region, the half frame includes 8 unit regions, and wherein the 8 unit regions in the half frame are distributed in 2 sets of 4 consecutive unit regions in each set, with each set separated by an interval that is equal to a duration of the unit region.
This invention relates to a data storage apparatus, specifically a method for organizing data slots within a storage medium to improve data retrieval efficiency. The apparatus addresses the challenge of efficiently managing and accessing data in a structured manner, particularly in systems where data is divided into frames and sub-frames for storage and retrieval. The apparatus includes a storage medium divided into slots, with each slot capable of storing a unit of data. The slots are grouped into unit regions, where each unit region contains four slots. A half frame consists of eight unit regions, and these unit regions are distributed into two sets. Each set contains four consecutive unit regions, and the two sets are separated by an interval equal to the duration of one unit region. This arrangement ensures that data can be accessed in a predictable and organized manner, reducing the time required to locate and retrieve specific data units. The structured grouping of slots into unit regions and the specific distribution of these regions within a half frame optimize data storage and retrieval processes. By maintaining a consistent interval between sets of unit regions, the apparatus ensures that data can be accessed efficiently, even in high-density storage environments. This design is particularly useful in systems where rapid data access is critical, such as in real-time data processing or high-speed data retrieval applications. The invention provides a scalable and efficient solution for organizing data in storage media, enhancing both performance and reliability.
8. The apparatus of claim 5 , wherein the half frame has a duration of 5 ms.
This invention relates to wireless communication systems, specifically apparatuses for transmitting and receiving data in a time-division duplex (TDD) mode. The problem addressed is optimizing the timing structure of communication frames to improve efficiency and reduce latency in TDD systems. The apparatus includes a transceiver configured to transmit and receive data in half frames, where each half frame has a fixed duration of 5 milliseconds. This duration allows for balanced uplink and downlink transmission opportunities while accommodating guard periods for switching between transmission directions. The apparatus further includes a controller that dynamically adjusts the allocation of time slots within the half frames based on traffic conditions, ensuring efficient use of the available bandwidth. The half-frame structure enables faster switching between uplink and downlink compared to full-frame systems, reducing latency for real-time applications. The 5 ms duration is chosen to balance the need for low latency with the requirement for stable synchronization in TDD systems. The apparatus may also include error detection and correction mechanisms to handle interference during the switching periods. This design is particularly useful in 5G and other advanced wireless networks where flexible TDD configurations are essential for supporting diverse services.
9. A user equipment (UE) configured to receive a synchronization signal (SS)/physical broadcast channel (PBCH) block in a wireless communication system, the UE comprising: at least one transceiver; at least one processor; and at least one computer memory operably connectable to the at least one processor and storing instructions that, when executed, cause the at least one processor to perform operations comprising: receiving, via the at least one transceiver in a frequency band greater than 6 GHz, the SS/PBCH block via a half frame, based on a subcarrier spacing for the SS/PBCH block being 120 kHz: wherein a 2 slots included in the half frame have 2 groups of candidate SS/PBCH block regions, each of the candidate SS/PBCH block regions includes 4 orthogonal frequency division multiplexing (OFDM) symbols and each of the 2 groups includes 2 consecutive candidate SS/PBCH block regions, wherein, in the 2 slots, 4 OFDM symbols are located between the 2 groups, 4 OFDM symbols are located before one of the 2 groups, and 4 OFDM symbols are located after other of the 2 groups, wherein the 2 slots are grouped to a unit region and the half frame includes 16 unit regions, wherein the 16 unit regions in the half frame are distributed in 4 sets of 4 consecutive unit regions in each set, wherein each set is separated by an interval that is equal to a duration of the unit region, and wherein the duration of the unit region is equal to 0.25 ms.
In wireless communication systems operating above 6 GHz, synchronization and broadcast channel transmission are critical for initial access and cell discovery. A user equipment (UE) is configured to receive a synchronization signal (SS)/physical broadcast channel (PBCH) block in such high-frequency bands. The UE includes a transceiver, a processor, and memory storing instructions to process the SS/PBCH block. The SS/PBCH block is transmitted in a half frame with a subcarrier spacing of 120 kHz. The half frame contains two slots, each slot having two groups of candidate SS/PBCH block regions. Each candidate region consists of four orthogonal frequency division multiplexing (OFDM) symbols, and each group contains two consecutive candidate regions. Within the two slots, four OFDM symbols separate the two groups, with an additional four OFDM symbols before the first group and four after the second group. The two slots form a unit region, and the half frame includes 16 such unit regions. These unit regions are distributed in four sets, each containing four consecutive unit regions, with each set separated by an interval equal to the duration of a unit region (0.25 ms). This structure ensures efficient synchronization and broadcast channel transmission in high-frequency bands.
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August 18, 2020
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